21343132006 has 8 divisors (see below), whose sum is σ = 36588226320. Its totient is φ = 9147056568.

The previous prime is 21343131923. The next prime is 21343132009. The reversal of 21343132006 is 60023134312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21343132009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762254701 + ... + 762254728.

It is an arithmetic number, because the mean of its divisors is an integer number (4573528290).

Almost surely, 2^21343132006 is an apocalyptic number.

21343132006 is a deficient number, since it is larger than the sum of its proper divisors (15245094314).

21343132006 is a wasteful number, since it uses less digits than its factorization.

21343132006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524509438.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21343132006 its reverse (60023134312), we get a palindrome (81366266318).

The spelling of 21343132006 in words is "twenty-one billion, three hundred forty-three million, one hundred thirty-two thousand, six".